Chemical Manganese Dioxide (CMD), an Efficient Activated Manganese Dioxide. Application to Oxidation of Benzylic and Allylic Alcohols - Aoyama, Toyohiko; Sonoda, Naoko; Yamauchi, Mariko; Toriyama, Kyoko; Anzai, Masahiro; Ando, Akira; Shioiri, Takayuki (Synlett, 1998)